449177176369 has 2 divisors, whose sum is σ = 449177176370. Its totient is φ = 449177176368.

The previous prime is 449177176319. The next prime is 449177176381. The reversal of 449177176369 is 963671771944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267611705344 + 181565471025 = 517312^2 + 426105^2 .

It is a cyclic number.

It is not a de Polignac number, because 449177176369 - 2¹⁷ = 449177045297 is a prime.

It is a super-2 number, since 2×449177176369² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 449177176369.

It is not a weakly prime, because it can be changed into another prime (449177176319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224588588184 + 224588588185.

It is an arithmetic number, because the mean of its divisors is an integer number (224588588185).

Almost surely, 2^449177176369 is an apocalyptic number.

It is an amenable number.

449177176369 is a deficient number, since it is larger than the sum of its proper divisors (1).

449177176369 is an equidigital number, since it uses as much as digits as its factorization.

449177176369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48009024, while the sum is 64.

The spelling of 449177176369 in words is "four hundred forty-nine billion, one hundred seventy-seven million, one hundred seventy-six thousand, three hundred sixty-nine".